A growing share of your customers are no longer shopping. They are delegating. Instead of searching, scrolling, and clicking their way to checkout, they tell an AI agent what they want and let it do the comparing and the buying. For an ecommerce leader, this is the most important behavioral shift since the move to mobile, and it is already changing who shows up at your store.
This is agentic commerce, and the adoption is real. Adobe found that traffic to US retail sites from AI sources grew 693 percent year over year during November and December 2025, and that those AI-referred shoppers converted 31 percent better than other traffic. Salesforce went further, attributing about 67 billion dollars in global sales, roughly 20 percent of all Cyber Week orders, to AI and agents. That is not a forecast for some future quarter. That was last holiday season.
The strategic question is not whether to react. It is what an agent buyer does to the three things every ecommerce business runs on: how you get found, how you get chosen, and how you spend to make either happen.
How the buying decision actually changes
Picture the old path. A shopper has a vague need, types a query, scans a page of ads and listings, opens a few tabs, gets pulled in by a strong image or a familiar name, and talks themselves into a purchase. Most of your marketing was built to win some moment in that messy sequence.
Now picture the new one. The shopper gives an agent a set of constraints. Budget under a number, ships before a date, made of a specific material, well reviewed. The agent does the scanning, opens nothing, gets pulled in by nothing, and returns a short list or simply buys. The browsing middle of the funnel, the part where impulse and persuasion used to live, gets compressed into a back-end process the shopper never watches.
That is the shift leadership needs to internalize. The agent is not a new channel to add to the media plan. It is a filter that sits between your marketing and a buyer who has handed off the part of shopping you were best at influencing.
The agent shops on data, not vibes
Here is the uncomfortable part for brands that have spent years perfecting their creative. An agent does not respond to a lifestyle photo or a clever line the way a person half-watching their phone does. It reads structured information. Price, availability, shipping speed, return policy, reviews, specifications. Then it weighs all of that against the constraints the shopper set.
OpenAI’s own testing of its shopping tool showed it matching products to multi-constraint requests far more accurately than ordinary search, precisely because buyers are now handing agents hard requirements instead of loose keywords.
So a second buyer now exists alongside your human one. This buyer never sees your homepage, never feels your brand, and judges you almost entirely on whether your product data is complete, accurate, and current. If your information is thin or written only for humans, you are invisible to that buyer no matter how polished the rest of your store looks. Two buyers, two completely different sets of inputs, one budget trying to serve both.
Why brand matters more, not less
It would be easy to read all of this as the end of brand and the beginning of pure feed optimization. It is closer to the opposite, and this is where most of the early commentary gets it wrong.
When an agent narrows a category to three or four options, a person still makes the final call. What tips that call is recognition and trust, which name they have heard of, which one they already feel good about. The Adobe data is the tell here. AI-referred shoppers converted better, which means these are not idle browsers killing time. They arrive close to a decision. Being one of the names the agent surfaces, and the one the shopper picks when it does, is a brand outcome that no feed field produces on its own.
The brands that win agentic commerce will not be the ones that abandon brand building to chase data hygiene. They will be the ones that do both well. Strong enough to get chosen when the agent lays out the options, clean enough in the data to be one of the options at all.
What this changes for how you spend
Paid media does not go away in an agent-mediated market. It moves toward the surfaces and signals that agents pay attention to. Google has already opened a paid placement inside its AI Mode and started routing existing Shopping and Performance Max campaigns into that surface. The account-level mechanics of all this matter if you run the campaigns yourself, and we covered that practitioner side in a companion piece for Search Engine Journal. [add SEJ link once live: “Agentic Commerce And The New Rules Of Google Ads”]
The leadership takeaway sits one level above the tactics. Two line items that most companies treat as plumbing are about to become strategic. Your product feed stops being a file someone in IT set up and becomes a media asset that decides whether you get surfaced at all. Your offer strategy stops being a promotions calendar and becomes a margin decision you make at the moment of purchase, inside an interface you do not control. Whoever owns those two things, and how much authority they have over budget and margin, is now a question for the executive team, not the account manager.
The measurement problem your team is about to hit
One warning worth raising before it surprises your finance team. When an agent completes a purchase, your usual tracking gets murky. Depending on how the checkout happens, the sale may complete on your own site or entirely on a platform like Google, and in that second case your standard analytics cannot see it at all. You remain the merchant of record, so the revenue is real and it lands, but tying it back to the marketing that drove it gets much harder.
For a CFO or a Head of Growth, that is the real headline. The channel reports you use to defend budget are going to tell you less of the truth than they did a year ago. This is the moment to lean less on last-click dashboards and more on blended efficiency and incrementality, which hold up when part of the path to purchase runs through a black box.
A readiness checklist for leadership
You do not need to rebuild everything this quarter. You do need to treat a few things as priorities and assign an owner to each.
- Audit your product data with the same seriousness you give your homepage. Completeness and accuracy across price, shipping, returns, and specs decide whether the agent can see you.
- Keep investing in brand. Recognition is what wins the final choice once the agent has narrowed the field.
- Form a point of view on offers. Decide where you compete on price and where you compete on value such as bundles or loyalty, and set a margin floor before you opt into anything.
- Move your measurement toward blended and incremental thinking now, before agent-driven sales muddy the reporting your team relies on.
- Stay present where shoppers already are. Search and social still drive most of your revenue. This is additive, not a replacement.
The companies that come out ahead will be the ones that recognized the agent as a new kind of customer early, and got their data, their brand, and their spending ready for it while everyone else was still debating whether it was real.
Agentic commerce and ecommerce: the takeaway
Agentic commerce is not on the horizon. It arrived last holiday season and it is growing fast. The shift it forces is uncomfortable because it rewards the unglamorous work of clean product data as much as the creative work most brands would rather spend their time on.
The encouraging part is that the brands willing to do both will hold an edge for a while, because most of their competitors still are not.
If you want help getting your product data, your offer strategy, and your measurement ready for the agent-driven buyer, that is the work we do with growth-stage DTC brands every day at our ecommerce PPC agency. It is the same full-funnel approach behind results like our AFRM ecommerce paid media case study.
Frequently asked questions
What is agentic commerce?
Agentic commerce is when an AI agent researches, compares, and completes a purchase on a shopper’s behalf instead of the person browsing and buying themselves. The shopper sets constraints like budget and delivery date, and the agent handles the rest.
Does agentic commerce mean brand no longer matters?
No, brand matters more in an agent-mediated market. Once an agent narrows a category to a few options, the shopper still makes the final choice, and recognition and trust are what decide it.
How do AI shopping agents choose products?
AI shopping agents read structured product data such as price, availability, shipping speed, returns, reviews, and specifications, then match it against the shopper’s stated requirements. They do not respond to creative or brand imagery the way a human browser does.
Will agentic commerce replace my Google and Meta advertising?
Not yet. Agentic commerce is additive for now, and the large majority of ecommerce revenue still flows through existing Search and social campaigns. The smart move is preparing for the new surface without pulling budget from a full-funnel paid program that already works.
Why does agentic commerce make marketing measurement harder?
When an agent completes a checkout on a platform rather than your own site, the sale can happen outside your analytics entirely. You still receive the order as merchant of record, but connecting it to the campaign that earned it gets much harder, which is why blended efficiency and incrementality matter more now.
About the Author: Tony Adam
